559  
CDUS46 KMTR 310830  
CLIHWD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT TUE OCT 31 2023  
   
...............................
 
 
   
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 1:49 PM 78 2011 70 3 68  
2015  
MINIMUM 46 6:26 AM 44 2013 51 -5 52  
AVERAGE 60 61 -1 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.19 T  
SINCE OCT 1 0.19 T  
SINCE JAN 1 18.51 2.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 5  
MONTH TO DATE 43 107  
SINCE SEP 1 47 109  
SINCE JUL 1 70 134  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 90 11  
SINCE SEP 1 169 177  
SINCE JAN 1 445 430    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 50 10:00 PM  
LOWEST 27 2:00 PM  
AVERAGE 39  
   
......................................................
 
 
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 78 2015  
MINIMUM TEMPERATURE (F) 51 43 2002  
 
SUNRISE AND SUNSET  
OCTOBER 31 2023.......SUNRISE 7:32 AM PDT SUNSET 6:11 PM PDT  
NOVEMBER 1 2023......SUNRISE 7:34 AM PDT SUNSET 6:10 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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